{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,24]],"date-time":"2026-01-24T08:28:13Z","timestamp":1769243293042,"version":"3.49.0"},"reference-count":37,"publisher":"American Society for Microbiology","issue":"13","license":[{"start":{"date-parts":[[2016,7,1]],"date-time":"2016-07-01T00:00:00Z","timestamp":1467331200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"funder":[{"DOI":"10.13039\/501100004663","name":"Ministry of Science and Technology, Taiwan","doi-asserted-by":"publisher","award":["MOST 104-2321-B-007-006"],"award-info":[{"award-number":["MOST 104-2321-B-007-006"]}],"id":[{"id":"10.13039\/501100004663","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004663","name":"Ministry of Science and Technology, Taiwan","doi-asserted-by":"publisher","award":["MOST 105-2321-B-007-005"],"award-info":[{"award-number":["MOST 105-2321-B-007-005"]}],"id":[{"id":"10.13039\/501100004663","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004663","name":"Ministry of Science and Technology, Taiwan","doi-asserted-by":"publisher","award":["MOST 105-2321-B-007-006"],"award-info":[{"award-number":["MOST 105-2321-B-007-006"]}],"id":[{"id":"10.13039\/501100004663","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100005057","name":"National Tsing Hua University","doi-asserted-by":"crossref","award":["105N742CV8"],"award-info":[{"award-number":["105N742CV8"]}],"id":[{"id":"10.13039\/501100005057","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["J Virol"],"published-print":{"date-parts":[[2016,7]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            Influenza virus hemagglutinin (HA) N-glycans play important regulatory roles in the control of virus virulence, antigenicity, receptor-binding specificity, and viral escape from the immune response. Considered essential for controlling innate and adaptive immune responses against influenza virus infections, dendritic cells (DCs) trigger proinflammatory and adaptive immune responses in hosts. In this study, we engineered Chinese hamster ovary (CHO) cell lines expressing recombinant HA from pandemic H1, H5, and H7 influenza viruses. rH1HA, rH5HA, and rH7HA were obtained as wild-type proteins or in the presence of kifunensine (KIF) or further with endo-\u03b2-\n            <jats:italic>N<\/jats:italic>\n            -acetylglucosaminidase-treated KIF (KIF+E) to generate single-\n            <jats:italic>N<\/jats:italic>\n            -acetylglucosamine (GlcNAc) N-glycans consisting of (i) terminally sialylated complex-type N-glycans, (ii) high-mannose-type N-glycans, and (iii) single-GlcNAc-type N-glycans. Our results show that high-mannose-type and single-GlcNAc-type N-glycans, but not complex-type N-glycans, are capable of inducing more active hIL12 p40, hIL12 p70, and hIL-10 production in human DCs. Significantly higher HLA-DR, CD40, CD83, and CD86 expression levels, as well reduced endocytotic capacity in human DCs, were noted in the high-mannose-type rH1HA and single-GlcNAc-type rH1HA groups than in the complex-type N-glycan rH1HA group. Our data indicate that native avian rHA proteins (H5N1 and H7N9) are more immunostimulatory than human rHA protein (pH1N1). The high-mannose-type or single-GlcNAc-type N-glycans of both avian and human HA types are more stimulatory than the complex-type N-glycans. HA-stimulated DC activation was accomplished partially through a mannose receptor(s). These results provide more understanding of the contribution of glycosylation of viral proteins to the immune responses and may have implications for vaccine development.\n          <\/jats:p>\n          <jats:p>\n            <jats:bold>IMPORTANCE<\/jats:bold>\n            Influenza viruses trigger seasonal epidemics or pandemics with mild-to-severe consequences for human and poultry populations. DCs are the most potent professional antigen-presenting cells, which play a crucial role in the link between innate and adaptive immunity. In this study, we obtained stable-expression CHO cells to produce rH1HA, rH5HA, and rH7HA proteins containing distinct N-glycan patterns. These rHA proteins, each with a distinct N-glycan pattern, were used to investigate interactions with mouse and human DCs. Our data indicate that native avian rHA proteins (H5N1 and H7N9) are more immunostimulatory than human rHA protein (pH1N1). High-mannose-type and single-GlcNAc-type N-glycans were more effective than complex-type N-glycans in triggering mouse and human DC activation and maturation. We believe these results provide some useful information for influenza vaccine development regarding how influenza virus HA proteins with different types of N-glycans activate DCs.\n          <\/jats:p>","DOI":"10.1128\/jvi.00452-16","type":"journal-article","created":{"date-parts":[[2016,4,21]],"date-time":"2016-04-21T05:43:51Z","timestamp":1461217431000},"page":"6085-6096","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":29,"title":["Influenza Virus Hemagglutinin Glycoproteins with Different N-Glycan Patterns Activate Dendritic Cells\n            <i>In Vitro<\/i>"],"prefix":"10.1128","volume":"90","author":[{"given":"Wen-Chun","family":"Liu","sequence":"first","affiliation":[{"name":"Institute of Biotechnology, National Tsing Hua University, Hsinchu, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yu-Li","family":"Lin","sequence":"additional","affiliation":[{"name":"Department of Medical Research, National Taiwan University Hospital, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maureen","family":"Spearman","sequence":"additional","affiliation":[{"name":"Department of Microbiology, University of Manitoba, Winnipeg, Manitoba, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pei-Yun","family":"Cheng","sequence":"additional","affiliation":[{"name":"Department of Medical Research, National Taiwan University Hospital, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael","family":"Butler","sequence":"additional","affiliation":[{"name":"Department of Microbiology, University of Manitoba, Winnipeg, Manitoba, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Suh-Chin","family":"Wu","sequence":"additional","affiliation":[{"name":"Institute of Biotechnology, National Tsing Hua University, Hsinchu, Taiwan"},{"name":"Department of Medical Science, National Tsing Hua University, Hsinchu, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"235","reference":[{"key":"e_1_3_1_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.cell.2009.01.029"},{"key":"e_1_3_1_3_2","doi-asserted-by":"publisher","DOI":"10.1038\/nrmicro1208"},{"key":"e_1_3_1_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.biologicals.2009.02.012"},{"key":"e_1_3_1_5_2","doi-asserted-by":"publisher","DOI":"10.1371\/journal.ppat.1003657"},{"key":"e_1_3_1_6_2","doi-asserted-by":"publisher","DOI":"10.1074\/jbc.R110.129809"},{"key":"e_1_3_1_7_2","doi-asserted-by":"publisher","DOI":"10.1038\/nm1643"},{"key":"e_1_3_1_8_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-065X.2008.00718.x"},{"key":"e_1_3_1_9_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.0105-2896.2009.00887.x"},{"key":"e_1_3_1_10_2","doi-asserted-by":"publisher","DOI":"10.1128\/JVI.00530-07"},{"key":"e_1_3_1_11_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.immuni.2007.06.006"},{"key":"e_1_3_1_12_2","doi-asserted-by":"publisher","DOI":"10.1038\/nature06175"},{"key":"e_1_3_1_13_2","doi-asserted-by":"publisher","DOI":"10.1038\/nri2173"},{"key":"e_1_3_1_14_2","doi-asserted-by":"publisher","DOI":"10.1189\/jlb.0509368"},{"key":"e_1_3_1_15_2","doi-asserted-by":"publisher","DOI":"10.4161\/viru.21864"},{"key":"e_1_3_1_16_2","doi-asserted-by":"publisher","DOI":"10.1038\/nri3247"},{"key":"e_1_3_1_17_2","doi-asserted-by":"publisher","DOI":"10.1084\/jem.20080314"},{"key":"e_1_3_1_18_2","doi-asserted-by":"publisher","DOI":"10.1128\/JVI.01619-09"},{"key":"e_1_3_1_19_2","doi-asserted-by":"publisher","DOI":"10.1371\/journal.ppat.1000115"},{"key":"e_1_3_1_20_2","doi-asserted-by":"publisher","DOI":"10.4049\/jimmunol.179.8.5220"},{"key":"e_1_3_1_21_2","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0096350"},{"key":"e_1_3_1_22_2","doi-asserted-by":"publisher","DOI":"10.1128\/JVI.01316-10"},{"key":"e_1_3_1_23_2","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0066719"},{"key":"e_1_3_1_24_2","first-page":"125","article-title":"Detailed structural analysis of N-glycans released from glycoproteins in SDS-PAGE gel bands using HPLC combined with exoglycosidase array digestions","volume":"347","author":"Royle L","year":"2006","unstructured":"Royle L, Radcliffe CM, Dwek RA, Rudd PM. 2006. 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